﻿using System;

namespace _500_keyboard_row
{
    class Program
    {
        static void Main (string[] args)
        {
            Console.WriteLine ("Hello World!");
        }
    }

    public class Solution
    {
        public string[] FindWords (string[] words)
        {
            string str1 = "QWERTYUIOP";
            string str2 = "ASDFGHJKL";
            string str3 = "ZXCVBNM";

            string[] s = new string[] { };

            for (int i = 0;i < words.Length;i++)
            {
                for (int j = 0;j < words[i].Length;j++)
                {

                }
            }


            return s;
        }
    }
}
